Vueとサーバー間の通信の分析: ログイン認証の実装方法

<template>
  <div class="login-form">
    <input type="text" v-model="username" placeholder="请输入用户名" />
    <input type="password" v-model="password" placeholder="请输入密码" />
    <button @click="login">登录</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      username: '',
      password: '',
    };
  },
  methods: {
    login() {
      // 发送登录请求
      axios.post('/api/login', {
        username: this.username,
        password: this.password,
      })
        .then((response) => {
          console.log(response.data);
          // 处理登录成功的逻辑
        })
        .catch((error) => {
          console.log(error.message);
          // 处理登录失败的逻辑
        });
    },
  },
};
</script>

const express = require('express');
const router = express.Router();

// 处理登录请求
router.post('/api/login', (req, res) => {
  const { username, password } = req.body;
  
  // 在这里进行登录验证的逻辑
  if (username === 'admin' && password === '123456') {
    res.json({ success: true, message: '登录成功' });
  } else {
    res.status(401).json({ success: false, message: '用户名或密码错误' });
  }
});

module.exports = router;

import Vue from 'vue';
import Vuex from 'vuex';

Vue.use(Vuex);

const store = new Vuex.Store({
  state: {
    isLoggedIn: false, // 默认未登录
  },
  mutations: {
    login(state) {
      state.isLoggedIn = true;
    },
    logout(state) {
      state.isLoggedIn = false;
    },
  },
});

Vue.config.productionTip = false;

new Vue({
  store,
  render: (h) => h(App),
}).$mount('#app');

<script>
import { mapMutations } from 'vuex';

export default {
  // ...
  methods: {
    ...mapMutations(['login']), // 映射login方法为组件方法
    login() {
      axios.post('/api/login', {
        username: this.username,
        password: this.password,
      })
        .then((response) => {
          console.log(response.data);
          if (response.data.success) {
            this.login(); // 登录成功后调用store的login方法
            // 处理登录成功的逻辑
          } else {
            // 处理登录失败的逻辑
          }
        })
        .catch((error) => {
          console.log(error.message);
          // 处理登录失败的逻辑
        });
    },
  },
};
</script>

computed: {
  isLoggedIn() {
    return this.$store.state.isLoggedIn;
  },
},